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WO2013035998A2 - Apparatus for producing a composite gas including carbon monoxide and hydrogen, and method therefor - Google Patents

Apparatus for producing a composite gas including carbon monoxide and hydrogen, and method therefor Download PDF

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Publication number
WO2013035998A2
WO2013035998A2 PCT/KR2012/006807 KR2012006807W WO2013035998A2 WO 2013035998 A2 WO2013035998 A2 WO 2013035998A2 KR 2012006807 W KR2012006807 W KR 2012006807W WO 2013035998 A2 WO2013035998 A2 WO 2013035998A2
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gas
hydrogen
carbon monoxide
carbon dioxide
product
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PCT/KR2012/006807
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French (fr)
Korean (ko)
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WO2013035998A3 (en
Inventor
김기현
정종헌
이승문
김성만
Original Assignee
주식회사 포스코
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Priority to CN201280043420.7A priority Critical patent/CN103781724A/en
Publication of WO2013035998A2 publication Critical patent/WO2013035998A2/en
Publication of WO2013035998A3 publication Critical patent/WO2013035998A3/en

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    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/32—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
    • C01B3/34—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents
    • C01B3/38—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using catalysts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/02—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/32—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
    • C01B3/34—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents
    • C01B3/48—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents followed by reaction of water vapour with carbon monoxide
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/40—Carbon monoxide
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/02—Processes for making hydrogen or synthesis gas
    • C01B2203/0205—Processes for making hydrogen or synthesis gas containing a reforming step
    • C01B2203/0227—Processes for making hydrogen or synthesis gas containing a reforming step containing a catalytic reforming step
    • C01B2203/0233—Processes for making hydrogen or synthesis gas containing a reforming step containing a catalytic reforming step the reforming step being a steam reforming step
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/02—Processes for making hydrogen or synthesis gas
    • C01B2203/0205—Processes for making hydrogen or synthesis gas containing a reforming step
    • C01B2203/0227—Processes for making hydrogen or synthesis gas containing a reforming step containing a catalytic reforming step
    • C01B2203/0238—Processes for making hydrogen or synthesis gas containing a reforming step containing a catalytic reforming step the reforming step being a carbon dioxide reforming step
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/02—Processes for making hydrogen or synthesis gas
    • C01B2203/0283—Processes for making hydrogen or synthesis gas containing a CO-shift step, i.e. a water gas shift step
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/04—Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
    • C01B2203/0405—Purification by membrane separation
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/04—Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
    • C01B2203/042—Purification by adsorption on solids
    • C01B2203/043—Regenerative adsorption process in two or more beds, one for adsorption, the other for regeneration
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/08—Methods of heating or cooling
    • C01B2203/0805—Methods of heating the process for making hydrogen or synthesis gas
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/10—Catalysts for performing the hydrogen forming reactions
    • C01B2203/1041—Composition of the catalyst
    • C01B2203/1047—Group VIII metal catalysts
    • C01B2203/1052—Nickel or cobalt catalysts
    • C01B2203/1058—Nickel catalysts
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/10—Catalysts for performing the hydrogen forming reactions
    • C01B2203/1041—Composition of the catalyst
    • C01B2203/1047—Group VIII metal catalysts
    • C01B2203/1064—Platinum group metal catalysts
    • C01B2203/107—Platinum catalysts
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/12—Feeding the process for making hydrogen or synthesis gas
    • C01B2203/1205—Composition of the feed
    • C01B2203/1211—Organic compounds or organic mixtures used in the process for making hydrogen or synthesis gas
    • C01B2203/1235—Hydrocarbons
    • C01B2203/1241—Natural gas or methane
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/12—Feeding the process for making hydrogen or synthesis gas
    • C01B2203/1258—Pre-treatment of the feed

Definitions

  • the present invention relates to a syngas production apparatus, and more particularly, to a syngas production apparatus including carbon monoxide and hydrogen using a steelmaking process gas.
  • CO 2 carbon dioxide
  • an object of the present invention is to provide a syngas production apparatus including carbon monoxide (CO) and hydrogen (H 2 ) by reacting carbon dioxide generated in an integrated steelmaking process with methane.
  • Synthetic gas production apparatus comprising carbon monoxide and hydrogen using a steelmaking process gas according to a preferred embodiment of the present invention for achieving the above object is spaced apart from the first pretreatment device of the methane-containing steel by-product gas And mixing the second pretreatment apparatus of the carbon dioxide-containing steel by-product gas, the methane-containing iron by-product gas treated by the first pretreatment apparatus, and the carbon dioxide-containing iron by-product gas treated by the second pretreatment apparatus.
  • Steam generating device for supplying steam to the gas, and reforming reactor receives the mixed gas supplied with the steam reforming to convert to a gas containing carbon monoxide and hydrogen.
  • the methane-containing steel by-product gas is characterized in that the COG (COKE OVEN GAS).
  • the carbon dioxide-containing steel by-product gas is characterized in that at least one selected from blast furnace flue gas, the flow reduction furnace flue gas of the Finex process, flue gas of the ironworks power plant and heating furnace flue gas and coke oven heating furnace flue gas for steel product production.
  • the carbon dioxide-containing steel by-product gas is characterized in that it further comprises an exhaust gas discharged from the reforming reactor.
  • the steam generator is characterized in that for receiving a heat source from the exhaust gas discharged from the reforming reactor.
  • the first pretreatment apparatus includes a first storage chamber for storing the methane-containing steel by-product gas, and a methane-containing steel by-product gas purification equipment discharged from the first storage chamber.
  • the first pretreatment apparatus includes a liquefied natural gas (LNG) blowing conduit for additionally supplying methane to the methane-containing steel by-product gas discharged from the first storage chamber, and a desulfurization facility for removing sulfur from the liquefied natural gas. It further includes.
  • LNG liquefied natural gas
  • the second pretreatment apparatus includes a second storage chamber for storing the carbon dioxide-containing steel by-product gas, and a carbon dioxide-containing steel by-product gas purification equipment discharged from the second storage chamber.
  • the second pretreatment apparatus further includes a carbon dioxide separation apparatus for separating carbon dioxide from some or all of the purified carbon dioxide-containing steel by-product gas.
  • the carbon dioxide separation unit is characterized in that receiving a heat source from the exhaust gas discharged from the reforming reactor.
  • the syngas production apparatus including carbon monoxide and hydrogen further includes a boosting apparatus for boosting a mixed gas of the methane-containing steel by-product gas and the carbon dioxide-containing steel by-product gas.
  • a temperature raising device for raising the temperature of the boosted mixed gas to be suitable for a reaction temperature in the reforming reactor.
  • the temperature raising device is characterized in that for receiving a heat source from the exhaust gas discharged from the reforming reactor.
  • the syngas production apparatus including the carbon monoxide and hydrogen further includes a hydrogen production apparatus for producing hydrogen from some or all of the carbon monoxide-containing reducing gas produced by reforming the mixed gas in the reforming reactor.
  • the apparatus for producing hydrogen further includes a water gas shift reactor for amplifying the hydrogen content of the carbon monoxide-containing reducing gas, and a hydrogen separation device for separating hydrogen from the carbon monoxide-containing reducing gas in which the hydrogen is amplified.
  • the hydrogen production apparatus further includes a heat recovery device for cooling the reformed carbon monoxide-containing reducing gas.
  • the water gas shift reactor is characterized in that the steam is supplied from the steam generator.
  • Part of the hydrogen separated by the hydrogen separation device is characterized in that it is mixed with a synthesis gas containing carbon monoxide and hydrogen reformed by the reforming reactor.
  • the carbon dioxide-containing exhaust gas discharged from the hydrogen separation device is mixed with the carbon dioxide-containing steel by-product gas.
  • the molar ratio of methane, carbon dioxide, and steam in the mixed gas supplied to the reforming reactor is 0 ⁇ H 2 O / CO 2 ⁇ 5, 0.1 ⁇ (H 2 0+ CO 2 ) / CH 4 ⁇ 5 is satisfied.
  • Iron ore reduction system can reduce the iron ore by supplying a synthesis gas containing carbon monoxide and hydrogen produced by the synthesis gas production apparatus to the iron ore reduction device.
  • the iron ore reduction device is characterized in that the flow reduction furnace of the blast furnace (Fine furnace) or Finex process.
  • Synthetic gas production method comprising carbon monoxide and hydrogen according to another embodiment of the present invention for achieving the above object is a pre-treatment of methane-containing steel by-product by-product, pre-treatment of carbon dioxide-containing steel by-product by gas, pre-treated Generating a mixed gas by mixing a methane-containing steel by-product gas and a carbon dioxide-containing steel by-product gas, and then boosting the gas at a constant pressure, raising the temperature of the boosted mixed gas to a constant temperature, and converting the elevated gas into a reforming reactor. Feeding and reforming to a gas comprising carbon monoxide and hydrogen.
  • the pretreatment of the methane-containing steel by-product gas may include purifying the methane-containing steel by-product gas and mixing liquefied natural gas (LNG) with the purified methane-containing steel by-product gas.
  • LNG liquefied natural gas
  • the methane-containing steel by-product gas is characterized in that the COG (COKE OVEN GAS).
  • the pre-treatment of the carbon dioxide-containing steel by-product gas may include purifying the carbon dioxide-containing steel by-product gas, and separating carbon dioxide from some or all of the purified carbon dioxide-containing steel by-product gas.
  • the carbon dioxide-containing steel by-product gas is characterized in that at least one selected from blast furnace flue gas, the flow reduction furnace flue gas of the Finex process, flue gas of steelworks power generation equipment and a furnace flue gas and coke oven heating furnace flue gas for steel product production.
  • the carbon dioxide-containing steel by-product gas is characterized in that it further comprises an exhaust gas discharged from the reforming reactor.
  • Synthesis gas production method comprising the carbon monoxide and hydrogen further comprises the step of supplying steam to the heated mixture gas.
  • the syngas production method comprising the carbon monoxide and hydrogen further comprises the step of producing hydrogen from some or all of the reformed carbon monoxide-containing reducing gas.
  • the production of hydrogen includes cooling the carbon monoxide-containing reducing gas, converting the cooled carbon monoxide-containing reducing gas into a water gas sheet, and separating hydrogen from the water gas sheet converted reducing gas. .
  • the hydrogen produced is characterized in that it is mixed with the reformed gas.
  • Iron ore reduction method can reduce the iron ore by supplying a synthesis gas containing carbon monoxide and hydrogen produced by the production method to the iron ore reduction apparatus.
  • the iron ore reducing device is characterized in that the blast furnace or the flow reduction furnace of the Finex process.
  • the carbon dioxide generated in the integrated steelmaking process is reacted with methane to produce a synthesis gas containing carbon monoxide (CO) and hydrogen (H 2 ) to recycle to iron ore reduction or use in the production of dimethyl ether (DME), etc.
  • a synthesis gas containing carbon monoxide (CO) and hydrogen (H 2 ) to recycle to iron ore reduction or use in the production of dimethyl ether (DME), etc.
  • FIG. 1 is a diagram illustrating a system diagram of a syngas production apparatus including carbon monoxide and hydrogen using a steelmaking process gas according to an embodiment of the present invention.
  • FIG. 2 is a manufacturing process diagram of a synthesis gas including carbon monoxide and hydrogen using a steelmaking process gas according to the present invention.
  • FIG. 3 is a diagram illustrating a system diagram of a syngas production apparatus including carbon monoxide and hydrogen using a steelmaking process gas according to another embodiment of the present invention.
  • FIG. 1 is a system diagram of a syngas production apparatus including carbon monoxide and hydrogen using a steelmaking process gas according to an embodiment of the present invention.
  • Synthetic gas production apparatus comprising carbon monoxide and hydrogen using a steelmaking process gas according to an embodiment of the present invention
  • the first pretreatment device 10 of the methane-containing iron by-product gas the second pretreatment of carbon dioxide-containing iron by-product gas Steam is added to a mixed gas in which the methane-containing steel by-product gas treated by the apparatus 20 and the first pretreatment apparatus 10 and the carbon dioxide-containing iron by-product gas treated by the second pretreatment apparatus 20 are mixed.
  • Reducing iron ore by using a steam generator 30 for supplying, a reforming reactor 40 for reforming the mixed gas supplied with the steam to a reducing gas containing carbon monoxide, and a reducing gas containing carbon monoxide.
  • Iron ore reduction device 50 is included.
  • the first preliminary treatment apparatus 10 includes a first storage chamber 13 for storing the methane-containing iron by-product gas, and a methane-containing iron by-product gas purification equipment 15 discharged from the first storage chamber 13. ).
  • the methane-containing steel by-product gas may be supplied directly through the gas conduit without the first storage chamber 13.
  • the first preliminary treatment apparatus 10 includes a liquefied natural gas (LNG) blowing conduit 17 for additionally supplying methane to the methane-containing steel by-product gas discharged from the first storage chamber 13, and It may further include a desulfurization facility 19 for removing sulfur from the liquefied natural gas.
  • LNG liquefied natural gas
  • the methane-containing steel by-product gas includes a by-product gas containing a large amount of methane (CH4), such as coke oven gas (COG) in an integrated steelmaking process.
  • CH4 methane
  • COG coke oven gas
  • Coke oven gas includes hydrogen, carbon monoxide, carbon dioxide, nitrogen, tar and the like in addition to methane.
  • This by-product gas contains tar, sulfur, dust, etc., which can be poisoned in the catalyst in the reforming reactor 40 described below, and is removed through an appropriate purification facility 15.
  • an additional methane-containing gas for example, liquefied natural gas ( LNG) can be mixed with the purified methane-containing steel off-gas.
  • the mixing ratio of the LNG supplied from the outside and the methane-containing by-product gas may be mixed in consideration of the supply and demand situation of the by-product gas generated in the steel mill and the supply and demand situation of the liquefied natural gas. Therefore, it is also possible when the proportion of the by-product gas in the steel mill is 100% or when the external supplied liquefied natural gas is 100%.
  • a desulfurization facility 19 for removing sulfur contained in the liquefied natural gas may be added.
  • the second preliminary treatment apparatus includes a second storage chamber 23 for storing the carbon dioxide-containing iron by-product gas, and a carbon dioxide-containing iron by-product gas purification equipment 25 discharged from the second storage chamber 23.
  • the carbon dioxide-containing steel by-product gas may be supplied directly through a pipe without being stored in the second storage chamber 23.
  • the carbon dioxide-containing steel by-product gas is a blast furnace offgas generated in an integrated steelmaking process, a flue gas in a flow reduction furnace of a FINEX process, a flue gas of a steel plant power generation facility, a furnace flue gas for producing steel products, and a coke oven. It includes furnace flue-gases, which contain large amounts of carbon dioxide.
  • the carbon dioxide-containing steel by-product gas is removed through appropriate purification to remove tar, sulfur, dust, and the like, which may be poisonous substances in the catalyst of the reforming reactor 40.
  • the purified carbon dioxide-containing by-product gas contains a large amount of inert gas such as nitrogen which is not involved in the reduction reaction of iron ore
  • the concentration of the inert gas may be reduced by separating carbon dioxide using a carbon dioxide separator 27 using a method, a membrane method, and then mixing the carbon dioxide with a by-product gas.
  • the iron ore reduction device 50 After producing the mixed gas by mixing the purified methane-containing iron by-product gas and carbon dioxide-containing iron by-product gas, the iron ore reduction device 50, for example, a blast furnace, the flow reduction furnace operation of the Finex process using a compressor It can boost the pressure up to 3 ⁇ 10Barg.
  • the boosted mixed gas is heated to 600 to 1,000 ° C., which is a reaction temperature in the reforming reactor 40 described below using a heater and a heat exchanger.
  • 600 to 1,000 ° C. which is a reaction temperature in the reforming reactor 40 described below using a heater and a heat exchanger.
  • part or all of the heat amount required for the temperature increase may be supplied through a suitable heat exchange from the hot exhaust gas generated in the reforming reactor 40.
  • Some or all of the heat required for the production of steam may be supplied through appropriate heat exchange from the hot exhaust gas generated in the reforming reactor 40.
  • the molar ratio of methane, carbon dioxide, and steam supplied to the reforming reactor 40 is preferably 0 or more and 5 or less for H 2 O / CO 2 , and 0.1 or more and 5 for (H 2 0 + CO 2 ) / CH 4 .
  • the following is preferable.
  • the main reforming reaction in the reforming reactor 40 is as follows.
  • the carbon dioxide generated in the steel mill can be regenerated as carbon monoxide through the reaction formula (1) and recycled to the reducing gas, so that the carbon dioxide generated in the steel mill can be greatly reduced.
  • the amount of heat required for the reaction can be supplied by combustion of fuel in the outer jacket of the reactor.
  • the high-temperature exhaust gas is discharged to the outside of the reactor can be used as a steam generator, the temperature of the mixed gas, the amount of heat required for carbon dioxide separation.
  • the reforming reactor 40 may be a fixed bed or a fluidized bed reactor.
  • the reforming catalyst is disposed in a state filled with the reactor, and in the fluidized bed reactor, the reforming reaction occurs while the catalyst flows inside the flow reactor.
  • platinum or nickel-based materials may be used as the catalyst in the reforming reactor.
  • the reformed reducing gas produced in the reforming reactor 40 maintains a pressure of 3 to 10 barg and a temperature of 600 to 1,000 ° C., and thus can be used as a reducing gas of the blast furnace and the fluid reduction reactor without additional equipment.
  • the hydrogen production apparatus 80 includes a water gas shift reactor 83 for amplifying the hydrogen content of the carbon monoxide-containing reducing gas, and a hydrogen separation device 85 for separating hydrogen from the hydrogen-amplified carbon monoxide-containing reducing gas. It may further include.
  • a part of the reformed reducing gas is cooled to 200-450 ° C. through a heat recovery device 81, and then the content of hydrogen in the reducing gas is reduced by using a water gas shift reactor (WGSR).
  • WGSR water gas shift reactor
  • hydrogen may be separated through a hydrogen separation device 85 using a pressure swing adsorption (PSA) method or a membrane method.
  • PSA pressure swing adsorption
  • the steam produced by the steam generator may be supplied to the water gas shift reactor 83 to amplify the amount of hydrogen.
  • the separated hydrogen gas may be supplied to the external hydrogen market or mixed with the reformed reducing gas to increase the content of hydrogen in the reducing gas.
  • the production rate of molten iron and reduced iron can be improved by improving the iron ore reduction rate by hydrogen.
  • the carbon dioxide-containing flue gas generated in the hydrogen separation device 85 may be mixed with carbon dioxide-containing steel by-product gas to generate a reformed reducing gas.
  • FIG. 2 is a manufacturing process diagram of a synthesis gas including carbon monoxide and hydrogen using a steelmaking process gas according to the present invention.
  • Synthetic gas production method comprising carbon monoxide and hydrogen using a steelmaking process gas according to an embodiment of the present invention is a step of pre-treatment of methane-containing steel by-product gas, pre-treatment of carbon dioxide-containing iron by-product gas, pre-treated methane Generating a mixed gas by mixing the containing iron by-product gas and the carbon dioxide-containing iron by-product gas, and then raising the pressure to a predetermined pressure, raising the temperature of the boosted mixed gas to a predetermined temperature, and reforming the elevated mixed gas to a reactor (40). And reforming the gas into a gas containing carbon monoxide and hydrogen.
  • the preliminary treatment of the methane-containing steel by-product gas may include: purifying the methane-containing steel by-product gas; And carbon monoxide and hydrogen including mixing liquefied natural gas (LNG) with the purified methane-containing steel by-product gas.
  • LNG liquefied natural gas
  • the methane-containing steel by-product gas is characterized in that the COG (COKE OVEN GAS).
  • the pre-treatment of the carbon dioxide-containing steel by-product gas is a step of purifying the carbon dioxide-containing steel by-product gas; And separating carbon dioxide from some or all of the purified carbon dioxide-containing steel by-product gas.
  • the carbon dioxide-containing steel by-product gas is characterized in that at least one selected from blast furnace flue gas, the flow reduction furnace flue gas of the Finex process, flue gas of steelworks power generation equipment and a furnace flue gas and coke oven heating furnace flue gas for steel product production.
  • the carbon dioxide-containing steel by-product gas further includes a flue gas discharged to the reforming reactor.
  • Synthesis gas production method comprising the carbon monoxide and hydrogen further comprises the step of supplying steam to the heated mixture gas.
  • the syngas production method comprising the carbon monoxide and hydrogen further comprises the step of producing hydrogen from some or all of the reformed carbon monoxide-containing reducing gas.
  • the production of hydrogen may include cooling the carbon monoxide-containing reducing gas; Converting the cooled carbon monoxide-containing reducing gas into a water gas sheet; And separating hydrogen from the water gas sheet converted reducing gas.
  • Syngas comprising carbon monoxide and hydrogen may be used for the production of reducing gas or dimethyl ether (DME) for iron ore reduction.
  • DME dimethyl ether
  • FIG. 3 is a view showing an iron ore reduction system for reducing iron ore using a synthesis gas containing carbon monoxide and hydrogen using a steelmaking process gas according to an embodiment of the present invention.
  • Iron ore reduction method can reduce the iron ore by supplying a synthesis gas containing carbon monoxide and hydrogen produced by the synthesis gas production method to the iron ore reduction device.
  • the iron ore reduction device is characterized in that the blast furnace or the flow reduction furnace of the Finex process.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Manufacture Of Iron (AREA)
  • Hydrogen, Water And Hydrids (AREA)

Abstract

Disclosed is an apparatus for producing a composite gas including carbon monoxide and hydrogen. The apparatus for producing the composite gas including carbon monoxide and hydrogen according to the present invention comprises: a first preprocessing device for an ironworks byproduct gas containing methane; a second preprocessing device for an ironworks byproduct gas containing carbon dioxide, which is arranged to be spaced apart from the first preprocessing device; a steam generating device for mixing the ironworks byproduct gas containing methane, processed by the first preprocessing device, and the ironworks byproduct gas containing carbon dioxide, processed by the second preprocessing device, and supplying steam to the mixed gas; and a reforming reaction device receiving and reforming the mixed gas to which steam is supplied and converting same into a reduced gas including carbon monoxide.

Description

일산화탄소 및 수소를 포함하는 합성가스 제조장치 및 그의 제조방법Synthesis gas production apparatus including carbon monoxide and hydrogen and its manufacturing method
본 발명은 합성가스 제조장치에 관한 것으로, 보다 상세하게는 제철 공정가스를 이용한 일산화탄소 및 수소를 포함하는 합성가스 제조장치에 관한 것이다.The present invention relates to a syngas production apparatus, and more particularly, to a syngas production apparatus including carbon monoxide and hydrogen using a steelmaking process gas.
현재 일관 제철소에서 용철을 제조하는 공정은 주로 고로 공법에 의존하고 있으며 대부분 철광석의 환원제로 석탄에서 발생한 CO가스를 사용하고 있다. Currently, the process of manufacturing molten iron in an integrated steel mill depends mainly on the blast furnace method, and mostly uses CO gas generated from coal as a reducing agent of iron ore.
한편, 일관 제철공정에서는 CH4/CO/H2를 포함한 다양한 부생가스가 발생되며 대부분 철강 제품생산을 위한 가열기, 전력생산을 위한 발전소등에 사용되고 있으며 사용된 제철 부생가스는 다량의 CO2를 포함한 폐가스 형태로 제철소에서 배출되고 있다.On the other hand, in the integrated steelmaking process, various by-product gases including CH 4 / CO / H 2 are generated, and most of them are used in heaters for steel products production and power plants for power generation, and the used steel by-product gases are waste gases containing a large amount of CO 2 . It is discharged from the steel mill in the form.
따라서 현재 일관 제철소에서는 용철 제조공정, 철강제품 생산을 위한 가열공정, 필요전력 수급을 위한 제철소 발전공정에서 대량의 CO2가 발생하고 있다. 예를 들어, 1톤의 철강제품을 생산 하기 위해서는 약 2.18톤의 이산화탄소(CO2)가 발생한다. Therefore, in integrated steel mills, a large amount of CO 2 is generated in the molten iron manufacturing process, the heating process for the production of steel products, and the steelworks power generation process for the supply and demand of power. For example, to produce one tonne of steel, approximately 2.18 tonnes of carbon dioxide (CO 2 ) is produced.
현재 제철공정에서의 CO2발생을 줄이기 위해 용철생산 환원제비 저감을 포함한 공정 효율향상의 노력을 하고 있으나 고로 중심의 일관제철 공정의 공정효율은 이미 그 한계치에 도달해 있어 추가적인 CO2 저감이 매우 힘든 상황이다.Currently, efforts are made to improve process efficiency, including reduction of molten iron production, to reduce CO 2 in the steelmaking process, but the process efficiency of the blast furnace-centered integrated steelmaking process has already reached its limit, which makes it difficult to further reduce CO 2. Situation.
본 발명에서는 상기와 같은 문제를 해결하기 위하여 일관 제철공정에서 발생되는 이산화탄소를 메탄과 반응시켜 일산화탄소(CO) 및 수소(H2)를 포함하는 합성가스 제조장치를 제공하는 것을 목적으로 한다. In order to solve the above problems, an object of the present invention is to provide a syngas production apparatus including carbon monoxide (CO) and hydrogen (H 2 ) by reacting carbon dioxide generated in an integrated steelmaking process with methane.
상기 목적을 달성하기 위한 본 발명의 바람직한 실시예에 의한 제철 공정가스를 이용한 일산화탄소 및 수소를 포함하는 합성가스 제조장치는 메탄 함유 제철 부생가스의 제1 예비처리장치, 상기 제1 예비처리장치와 이격되어 배치된 이산화탄소 함유 제철 부생가스의 제2 예비처리장치, 상기 제1 예비처리장치에 의해 처리된 메탄 함유 제철 부생가스와 상기 제2 예비처리장치에 의해 처리된 이산화탄소 함유 제철 부생가스를 혼합시킨 혼합가스에 스팀을 공급하는 스팀 발생장치, 상기 스팀이 공급된 혼합가스를 공급받아 개질시켜 일산화탄소 및 수소를 포함하는 가스로 변환시키는 개질 반응장치를 포함한다.Synthetic gas production apparatus comprising carbon monoxide and hydrogen using a steelmaking process gas according to a preferred embodiment of the present invention for achieving the above object is spaced apart from the first pretreatment device of the methane-containing steel by-product gas And mixing the second pretreatment apparatus of the carbon dioxide-containing steel by-product gas, the methane-containing iron by-product gas treated by the first pretreatment apparatus, and the carbon dioxide-containing iron by-product gas treated by the second pretreatment apparatus. Steam generating device for supplying steam to the gas, and reforming reactor receives the mixed gas supplied with the steam reforming to convert to a gas containing carbon monoxide and hydrogen.
상기 메탄 함유 제철 부생가스는 COG(COKE OVEN GAS)인 것을 특징으로 한다.The methane-containing steel by-product gas is characterized in that the COG (COKE OVEN GAS).
상기 이산화탄소 함유 제철 부생가스는 고로 배가스, 파이넥스 공정의 유동환원로 배가스, 제철소 발전설비의 배가스 및 철강제품 생산을 위한 가열로 배가스 및 코크 오븐 가열로 배가스 중에서 선택된 적어도 하나인 것을 특징으로 한다.The carbon dioxide-containing steel by-product gas is characterized in that at least one selected from blast furnace flue gas, the flow reduction furnace flue gas of the Finex process, flue gas of the ironworks power plant and heating furnace flue gas and coke oven heating furnace flue gas for steel product production.
상기 이산화탄소 함유 제철 부생가스는 상기 개질 반응장치에서 배출되는 배가스를 더 포함하는 것을 특징으로 한다.The carbon dioxide-containing steel by-product gas is characterized in that it further comprises an exhaust gas discharged from the reforming reactor.
상기 스팀 발생장치는 상기 개질 반응장치에서 배출되는 배가스로부터 열원을 공급받는 것을 특징으로 한다.The steam generator is characterized in that for receiving a heat source from the exhaust gas discharged from the reforming reactor.
상기 제1 예비처리장치는, 상기 메탄 함유 제철 부생가스를 저장하기 위한 제1 저장챔버, 및 상기 제1 저장챔버로부터 배출된 메탄 함유 제철 부생가스 정제설비를 포함한다.The first pretreatment apparatus includes a first storage chamber for storing the methane-containing steel by-product gas, and a methane-containing steel by-product gas purification equipment discharged from the first storage chamber.
상기 제1 예비처리장치는, 상기 제1 저장챔버에서 배출된 메탄 함유 제철 부생가스에 메탄을 추가적으로 공급하기 위한 액화천연가스(LNG) 취입 도관, 및 상기 액화천연가스로부터 황을 제거하기 위한 탈황설비를 더 포함한다. The first pretreatment apparatus includes a liquefied natural gas (LNG) blowing conduit for additionally supplying methane to the methane-containing steel by-product gas discharged from the first storage chamber, and a desulfurization facility for removing sulfur from the liquefied natural gas. It further includes.
상기 제2 예비처리장치는, 상기 이산화탄소 함유 제철 부생가스를 저장하기 위한 제2 저장챔버, 상기 제2 저장챔버에서 배출된 이산화탄소 함유 제철 부생가스 정제설비를 포함한다.The second pretreatment apparatus includes a second storage chamber for storing the carbon dioxide-containing steel by-product gas, and a carbon dioxide-containing steel by-product gas purification equipment discharged from the second storage chamber.
상기 제2 예비처리장치는, 정제된 상기 이산화탄소 함유 제철 부생가스의 일부 또는 전부로부터 이산화탄소를 분리하기 위한 이산화탄소 분리장치를 더 포함한다.The second pretreatment apparatus further includes a carbon dioxide separation apparatus for separating carbon dioxide from some or all of the purified carbon dioxide-containing steel by-product gas.
상기 이산화탄소 분리장치는 상기 개질 반응장치에서 배출되는 배가스로부터 열원을 공급받는 것을 특징으로 한다.The carbon dioxide separation unit is characterized in that receiving a heat source from the exhaust gas discharged from the reforming reactor.
일산화탄소 및 수소를 포함하는 합성가스 제조장치는 상기 메탄 함유 제철 부생가스와 이산화탄소 함유 제철 부생가스가 혼합된 혼합가스를 승압하기 위한 승압장치를 더 포함한다. The syngas production apparatus including carbon monoxide and hydrogen further includes a boosting apparatus for boosting a mixed gas of the methane-containing steel by-product gas and the carbon dioxide-containing steel by-product gas.
상기 승압된 혼합가스를 상기 개질 반응장치 내의 반응온도에 적합하도록 승온시키기 위한 승온장치를 더 포함한다.And a temperature raising device for raising the temperature of the boosted mixed gas to be suitable for a reaction temperature in the reforming reactor.
상기 승온장치는 상기 개질 반응장치에서 배출되는 배가스로부터 열원을 공급받는 것을 특징으로 한다.The temperature raising device is characterized in that for receiving a heat source from the exhaust gas discharged from the reforming reactor.
상기 일산화탄소 및 수소를 포함하는 합성가스 제조장치는 상기 개질 반응장치에서 혼합가스를 개질시켜 제조된 일산화탄소 함유 환원가스의 일부 또는 전부로부터 수소를 제조하기 위한 수소 제조장치를 더 포함한다.The syngas production apparatus including the carbon monoxide and hydrogen further includes a hydrogen production apparatus for producing hydrogen from some or all of the carbon monoxide-containing reducing gas produced by reforming the mixed gas in the reforming reactor.
상기 수소 제조장치는, 상기 일산화탄소 함유 환원가스의 수소 함량을 증폭시키기 위한 수성가스 시프트 반응기, 및 상기 수소가 증폭된 일산화탄소 함유 환원가스로부터 수소를 분리하기 위한 수소 분리장치를 더 포함한다.The apparatus for producing hydrogen further includes a water gas shift reactor for amplifying the hydrogen content of the carbon monoxide-containing reducing gas, and a hydrogen separation device for separating hydrogen from the carbon monoxide-containing reducing gas in which the hydrogen is amplified.
또한, 상기 수소 제조장치는, 개질된 상기 일산화탄소 함유 환원가스를 냉각시키기 위한 열회수장치를 더 포함한다.In addition, the hydrogen production apparatus further includes a heat recovery device for cooling the reformed carbon monoxide-containing reducing gas.
상기 수성가스 시프트 반응기는 상기 스팀 발생장치로부터 스팀을공급받는 것을 특징으로 한다.The water gas shift reactor is characterized in that the steam is supplied from the steam generator.
상기 수소 분리장치에 의해 분리된 수소의 일부는 상기 개질 반응장치에 의해 개질된 일산화탄소 및 수소를 포함하는 합성가스와 혼합되는 것을 특징으로 한다.Part of the hydrogen separated by the hydrogen separation device is characterized in that it is mixed with a synthesis gas containing carbon monoxide and hydrogen reformed by the reforming reactor.
상기 수소 분리장치에서 배출된 이산화탄소 함유 배가스는 상기 이산화탄소 함유 제철 부생가스와 혼합되는 것을 특징으로 한다.The carbon dioxide-containing exhaust gas discharged from the hydrogen separation device is mixed with the carbon dioxide-containing steel by-product gas.
상기 일산화탄소 및 수소를 포함하는 합성가스 제조장치는 상기 개질 반응장치에 공급되는 상기 혼합가스 중의 메탄, 이산화탄소, 스팀의 몰비율이 0 ≤ H2O/CO2 ≤ 5, 0.1 ≤ (H20+CO2)/CH4 ≤ 5 를 만족시킨다.In the synthesis gas production apparatus including the carbon monoxide and hydrogen, the molar ratio of methane, carbon dioxide, and steam in the mixed gas supplied to the reforming reactor is 0 ≦ H 2 O / CO 2 ≦ 5, 0.1 ≦ (H 2 0+ CO 2 ) / CH 4 ≦ 5 is satisfied.
본 발명의 일 실시예에 의한 철광석 환원시스템은 상기 합성가스 제조장치에 의해 제조된 일산화탄소 및 수소를 포함하는 합성가스를 철광석 환원장치에 공급하여 철광석을 환원시킬 수 있다.Iron ore reduction system according to an embodiment of the present invention can reduce the iron ore by supplying a synthesis gas containing carbon monoxide and hydrogen produced by the synthesis gas production apparatus to the iron ore reduction device.
상기 철광석 환원장치는 고로(blast furnace) 또는 파이넥스 공정의 유동환원로인 것을 특징으로 한다. The iron ore reduction device is characterized in that the flow reduction furnace of the blast furnace (Fine furnace) or Finex process.
상기 목적을 달성하기 위한 본 발명의 바람직한 다른 실시예에 의한 일산화탄소 및 수소를 포함하는 합성가스 제조방법은 메탄 함유 제철 부생가스 예비처리하는 단계, 이산화탄소 함유 제철 부생가스 예비처리하는 단계, 예비처리된 상기 메탄 함유 제철 부생가스와 이산화탄소 함유 제철 부생가스를 혼합하여 혼합가스를 생성한 후 일정압력으로 승압하는 단계, 상기 승압된 혼합가스를 일정온도로 승온하는 단계, 상기 승온된 혼합가스를 개질 반응장치에 공급하여 일산화탄소 및 수소를 포함하는 가스로 개질시키는 단계를 포함한다.Synthetic gas production method comprising carbon monoxide and hydrogen according to another embodiment of the present invention for achieving the above object is a pre-treatment of methane-containing steel by-product by-product, pre-treatment of carbon dioxide-containing steel by-product by gas, pre-treated Generating a mixed gas by mixing a methane-containing steel by-product gas and a carbon dioxide-containing steel by-product gas, and then boosting the gas at a constant pressure, raising the temperature of the boosted mixed gas to a constant temperature, and converting the elevated gas into a reforming reactor. Feeding and reforming to a gas comprising carbon monoxide and hydrogen.
상기 메탄 함유 제철 부생가스 예비처리하는 단계는, 메탄 함유 제철 부생가스를 정제하는 단계, 및 상기 정제된 메탄 함유 제철 부생가스에 액화천연가스(LNG)를 혼합하는 단계를 포함한다.The pretreatment of the methane-containing steel by-product gas may include purifying the methane-containing steel by-product gas and mixing liquefied natural gas (LNG) with the purified methane-containing steel by-product gas.
상기 메탄 함유 제철 부생가스는 COG(COKE OVEN GAS)인 것을 특징으로 한다.The methane-containing steel by-product gas is characterized in that the COG (COKE OVEN GAS).
상기 이산화탄소 함유 제철 부생가스 예비처리하는 단계는, 이산화탄소 함유 제철 부생가스를 정제하는 단계, 및 상기 정제된 이산화탄소 함유 제철 부생가스의 일부 또는 전부로부터 이산화탄소를 분리하는 단계를 포함한다.The pre-treatment of the carbon dioxide-containing steel by-product gas may include purifying the carbon dioxide-containing steel by-product gas, and separating carbon dioxide from some or all of the purified carbon dioxide-containing steel by-product gas.
상기 이산화탄소 함유 제철 부생가스는 고로 배가스, 파이넥스 공정의 유동환원로 배가스, 제철소 발전설비의 배가스 및 철강제품 생산을 위한 가열로 배가스 및 코크 오븐 가열로 배가스 중에서 선택된 적어도 하나인 것을 특징으로 한다.The carbon dioxide-containing steel by-product gas is characterized in that at least one selected from blast furnace flue gas, the flow reduction furnace flue gas of the Finex process, flue gas of steelworks power generation equipment and a furnace flue gas and coke oven heating furnace flue gas for steel product production.
상기 이산화탄소 함유 제철 부생가스는 상기 개질 반응장치에서 배출되는 배가스를 더 포함하는 것을 특징으로 한다.The carbon dioxide-containing steel by-product gas is characterized in that it further comprises an exhaust gas discharged from the reforming reactor.
상기 일산화탄소 및 수소를 포함하는 합성가스 제조방법은 상기 승온된 혼합가스에 스팀을 공급하는 단계를 더 포함한다.Synthesis gas production method comprising the carbon monoxide and hydrogen further comprises the step of supplying steam to the heated mixture gas.
상기 일산화탄소 및 수소를 포함하는 합성가스 제조방법은 개질된 상기 일산화탄소 함유 환원가스의 일부 또는 전부로부터 수소를 제조하는 단계를 더 포함한다.The syngas production method comprising the carbon monoxide and hydrogen further comprises the step of producing hydrogen from some or all of the reformed carbon monoxide-containing reducing gas.
상기 수소의 제조는 상기 일산화탄소 함유 환원가스를 냉각시키는 단계, 상기 냉각된 일산화탄소 함유 환원가스를 수성가스 시트프 변환하는 단계, 및 상기 수성가스 시트프 변환된 환원가스로부터 수소를 분리하는 단계를 포함한다. The production of hydrogen includes cooling the carbon monoxide-containing reducing gas, converting the cooled carbon monoxide-containing reducing gas into a water gas sheet, and separating hydrogen from the water gas sheet converted reducing gas. .
상기 제조된 수소는 상기 개질된 가스와 혼합되는 것을 특징으로 한다.The hydrogen produced is characterized in that it is mixed with the reformed gas.
본 발명의 일 실시예에 의한 철광석 환원방법은 상기 제조방법에 의해 제조된 일산화탄소 및 수소를 포함하는 합성가스를 철광석 환원장치에 공급함으로써 철광석을 환원시킬 수 있다.Iron ore reduction method according to an embodiment of the present invention can reduce the iron ore by supplying a synthesis gas containing carbon monoxide and hydrogen produced by the production method to the iron ore reduction apparatus.
상기 철광석 환원장치는 고로 또는 파이넥스 공정의 유동환원로인것을 특징으로 한다. The iron ore reducing device is characterized in that the blast furnace or the flow reduction furnace of the Finex process.
본 발명에 의하면, 일관 제철공정에서 발생하는 이산화탄소를 메탄과 반응시켜 일산화탄소(CO) 및 수소(H2)를 포함하는 합성가스를 제조하여 철광석 환원에 재활용하거나 디메틸에테르(DME) 등의 제조에 이용함으로써 제철소에서 발생하는 이산화탄소 발생량을 대폭 저감할 수 있다. According to the present invention, the carbon dioxide generated in the integrated steelmaking process is reacted with methane to produce a synthesis gas containing carbon monoxide (CO) and hydrogen (H 2 ) to recycle to iron ore reduction or use in the production of dimethyl ether (DME), etc. By doing so, the amount of carbon dioxide generated in the steel mill can be greatly reduced.
도 1은 본원발명의 일 실시예에 의한 제철 공정가스를 이용한 일산화탄소 및 수소를 포함하는 합성가스 제조장치의 계통도를 도시한 도면이다.1 is a diagram illustrating a system diagram of a syngas production apparatus including carbon monoxide and hydrogen using a steelmaking process gas according to an embodiment of the present invention.
도 2는 본원발명에 의한 제철 공정가스를 이용한 일산화탄소 및 수소를 포함하는 합성가스의 제조공정도이다.2 is a manufacturing process diagram of a synthesis gas including carbon monoxide and hydrogen using a steelmaking process gas according to the present invention.
도 3은 본원발명에 다른 실시예에 의한 제철 공정가스를 이용한 일산화탄소 및 수소를 포함하는 합성가스 제조장치의 계통도를 도시한 도면이다.3 is a diagram illustrating a system diagram of a syngas production apparatus including carbon monoxide and hydrogen using a steelmaking process gas according to another embodiment of the present invention.
본 발명의 이점 및 특징, 그리고 그것들을 달성하는 방법은 첨부되는 도면과 함께 상세하게 후술되어 있는 실시예들을 참조하면 명확해질 것이다. 그러나, 본 발명은 이하에서 개시되는 실시예들에 한정되는 것이 아니라 서로 다른 다양한 형태로 구현될 수 있으며, 단지 본 실시예들은 본 발명의 개시가 완전하도록 하고, 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자에게 발명의 범주를 완전하게 알려주기 위해 제공되는 것이며, 본 발명은 청구항의 범주에 의해 정의될 뿐이다. 명세서 전체에 걸쳐 동일 참조 부호는 동일 구성요소를 지칭한다.Advantages and features of the present invention and methods for achieving them will be apparent with reference to the embodiments described below in detail with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be embodied in various different forms, and the present embodiments merely make the disclosure of the present invention complete, and are common in the art to which the present invention pertains. It is provided to fully inform those skilled in the art of the scope of the invention, which is to be defined only by the scope of the claims. Like reference numerals refer to like elements throughout.
이하, 첨부된 도면을 참조하여 본 발명의 바람직한 실시예에 의한 제철 공정가스를 이용한 일산화탄소 및 수소를 포함하는 합성가스 제조장치에 대하여 설명하기로 한다. 참고로 본 발명을 설명함에 있어서 관련된 공지 기능 혹은 구성에 대한 구체적인 설명이 본 발명의 요지를 불필요하게 흐릴 수 있다고 판단되는 경우 그 상세한 설명을 생략한다.Hereinafter, a syngas production apparatus including carbon monoxide and hydrogen using a steelmaking process gas according to a preferred embodiment of the present invention will be described with reference to the accompanying drawings. For reference, in the following description of the present invention, if it is determined that a detailed description of related known functions or configurations may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.
도 1은 본원발명의 일 실시예에 의한 제철 공정가스를 이용한 일산화탄소 및 수소를 포함하는 합성가스 제조장치의 계통도이다.1 is a system diagram of a syngas production apparatus including carbon monoxide and hydrogen using a steelmaking process gas according to an embodiment of the present invention.
본 발명의 바람직한 일 실시예에 의한 제철 공정가스를 이용한 일산화탄소 및 수소를 포함하는 합성가스 제조장치는 메탄 함유 제철 부생가스의 제1 예비처리장치(10), 이산화탄소 함유 제철 부생가스의 제2 예비처리장치(20), 상기 제1 예비처리장치(10)에 의해 처리된 메탄 함유 제철 부생가스와 상기 제2 예비처리장치(20)에 의해 처리된 이산화탄소 함유 제철 부생가스를 혼합시킨 혼합가스에 스팀을 공급하는 스팀 발생장치(30), 상기 스팀이 공급된 혼합가스를 개질시켜 일산화탄소를 포함하는 환원가스로 변환시키는 개질 반응장치(40), 및 상기 일산화탄소를 포함하는 환원가스를 이용하여 철광석을 환원시키는 철광석 환원장치(50)를 포함한다.Synthetic gas production apparatus comprising carbon monoxide and hydrogen using a steelmaking process gas according to an embodiment of the present invention is the first pretreatment device 10 of the methane-containing iron by-product gas, the second pretreatment of carbon dioxide-containing iron by-product gas Steam is added to a mixed gas in which the methane-containing steel by-product gas treated by the apparatus 20 and the first pretreatment apparatus 10 and the carbon dioxide-containing iron by-product gas treated by the second pretreatment apparatus 20 are mixed. Reducing iron ore by using a steam generator 30 for supplying, a reforming reactor 40 for reforming the mixed gas supplied with the steam to a reducing gas containing carbon monoxide, and a reducing gas containing carbon monoxide. Iron ore reduction device 50 is included.
상기 제1 예비처리장치(10)는, 상기 메탄 함유 제철 부생가스를 저장하기 위한 제1 저장챔버(13), 및 상기 제1 저장챔버(13)로부터 배출된 메탄 함유 제철 부생가스 정제설비(15)를 포함한다. 상기 메탄 함유 제철 부생가스는 상기 제1 저장챔버(13) 없이 직접 가스 도관을 통해 공급될 수 도 있다.The first preliminary treatment apparatus 10 includes a first storage chamber 13 for storing the methane-containing iron by-product gas, and a methane-containing iron by-product gas purification equipment 15 discharged from the first storage chamber 13. ). The methane-containing steel by-product gas may be supplied directly through the gas conduit without the first storage chamber 13.
또한, 상기 제1 예비처리장치(10)는, 상기 제1 저장챔버(13)에서 배출된 메탄 함유 제철 부생가스에 메탄을 추가적으로 공급하기 위한 액화천연가스(LNG) 취입 도관(17), 및 상기 액화천연가스로부터 황을 제거하기 위한 탈황설비(19)를 더 포함할 수 있다. In addition, the first preliminary treatment apparatus 10 includes a liquefied natural gas (LNG) blowing conduit 17 for additionally supplying methane to the methane-containing steel by-product gas discharged from the first storage chamber 13, and It may further include a desulfurization facility 19 for removing sulfur from the liquefied natural gas.
상기 메탄 함유 제철 부생가스에는 일관 제철공정에서 코크스 오븐 가스(COG; COKE OVEN GAS)와 같은 메탄(CH4)을 다량 함유한 부생가스가 포함된다. 코크스 오븐 가스는 메탄 이외에 수소, 일산화탄소, 이산화탄소, 질소 및 타르(tar) 등을 포함한다.The methane-containing steel by-product gas includes a by-product gas containing a large amount of methane (CH4), such as coke oven gas (COG) in an integrated steelmaking process. Coke oven gas includes hydrogen, carbon monoxide, carbon dioxide, nitrogen, tar and the like in addition to methane.
이러한 부생가스에는 아래에 기술한 개질 반응장치(40) 내의 촉매에 피독물질이 될 수 있는 타르, 황, 더스트(dust) 등이 포함되어 있어 적절한 정제설비(15)를 거쳐 제거하게 된다.This by-product gas contains tar, sulfur, dust, etc., which can be poisoned in the catalyst in the reforming reactor 40 described below, and is removed through an appropriate purification facility 15.
부생가스의 정제에는 건식집진, 습식집진, 사이클론, H2S 제어, BTX 제어 등의 방법이 사용될 수 있다.In the purification of by-product gas, methods such as dry dust collection, wet dust collection, cyclone, H2S control, and BTX control may be used.
한편, 메탄 함유 제철 부생가스를 개질시켜 제조되는 환원가스의 발생량 및 환원가스 중의 환원성 가스(CO, H2)의 비율을 증가시키기 위해 추가적으로 외부에서 공급되는 메탄 함유 가스, 예를 들어 액화천연가스(LNG)를 정제된 메탄 함유 제철 부생가스와 혼합시킬 수 있다.Meanwhile, in order to increase the amount of reducing gas produced by reforming the methane-containing steel by-product gas and the ratio of reducing gas (CO, H 2 ) in the reducing gas, an additional methane-containing gas, for example, liquefied natural gas ( LNG) can be mixed with the purified methane-containing steel off-gas.
외부에서 공급되는 액화천연가스(LNG)와 메탄 함유 부생가스의 혼합 비율은 제철소에서 발생하는 부생가스의 수급상황 및 액화천연가스의 수급상황을 고려하여 혼합될 수 있다. 따라서, 제철소 부생가스의 비율이 100%인 경우 또는 외부 공급 액화천연가스가 100%인 경우도 가능하다.The mixing ratio of the LNG supplied from the outside and the methane-containing by-product gas may be mixed in consideration of the supply and demand situation of the by-product gas generated in the steel mill and the supply and demand situation of the liquefied natural gas. Therefore, it is also possible when the proportion of the by-product gas in the steel mill is 100% or when the external supplied liquefied natural gas is 100%.
액화천연가스를 공급하는 경우, 액화천연가스에 포함된 황의 제거를 위한 탈황설비(19)가 추가될 수 있다.When liquefied natural gas is supplied, a desulfurization facility 19 for removing sulfur contained in the liquefied natural gas may be added.
상기 제2 예비처리장치는, 상기 이산화탄소 함유 제철 부생가스를 저장하기 위한 제2 저장챔버(23), 상기 제2 저장챔버(23)에서 배출된 이산화탄소 함유 제철 부생가스 정제설비(25)를 포함한다. 상기 이산화탄소 함유 제철 부생가스는 제2 저장챔버(23)에 저장되지 않고 직접 도관(pipe)를 통해 공급될 수 도 있다.The second preliminary treatment apparatus includes a second storage chamber 23 for storing the carbon dioxide-containing iron by-product gas, and a carbon dioxide-containing iron by-product gas purification equipment 25 discharged from the second storage chamber 23. . The carbon dioxide-containing steel by-product gas may be supplied directly through a pipe without being stored in the second storage chamber 23.
상기 이산화탄소 함유 제철 부생가스는 일관 제철공정에서 발생하는 고로 배가스(blast furnace offgas), 파이넥스(FINEX) 공정의 유동환원로의 배가스, 제철소 발전설비의 배가스, 철강제품 생산을 위한 가열로 배가스, 코크 오븐 가열로 배가스를 포함하며 이러한 배가스에는 다량의 이산화탄소가 포함되어 있다.The carbon dioxide-containing steel by-product gas is a blast furnace offgas generated in an integrated steelmaking process, a flue gas in a flow reduction furnace of a FINEX process, a flue gas of a steel plant power generation facility, a furnace flue gas for producing steel products, and a coke oven. It includes furnace flue-gases, which contain large amounts of carbon dioxide.
상기 이산화탄소 함유 제철 부생가스를 적절한 정제공정을 거쳐 개질 반응장치(40)의 촉매에 피독물질이 될 수 있는 타르, 황, 더스트 등을 제거하게 된다.The carbon dioxide-containing steel by-product gas is removed through appropriate purification to remove tar, sulfur, dust, and the like, which may be poisonous substances in the catalyst of the reforming reactor 40.
또한, 정제된 이산화탄소 함유 부생가스에 철광석의 환원반응에 관여하지 않는 질소 등의 비활성 가스가 많은 경우, 하기에 기술할 개질 반응장치(40)에 의해 개질된 환원가스내의 환원성 가스(CO, H2) 농도를 저하시키고 개질 반응장치(40)에 필요 이상의 많은 열량이 소모되므로 상기 이산화탄소 함유 부생가스의 일부 혹은 전부의 정제된 이산화탄소 함유 제철 부생가스를흡수법, 압력순환흡착(PSA; Pressure Swing Adsorption)법, 멤브레인법 등을 이용한 이산화탄소 분리장치(27)을 이용하여 이산화탄소를 분리한 후 다시 이산화탄소 함유 부생가스와 혼합하는 방법으로 비활성 가스의 농도를 감소시킬 수 있다.In addition, when the purified carbon dioxide-containing by-product gas contains a large amount of inert gas such as nitrogen which is not involved in the reduction reaction of iron ore, the reducing gas (CO, H 2 ) in the reducing gas reformed by the reforming reactor 40 to be described below. ) Lowers the concentration and consumes more heat than necessary for the reforming reactor 40, thus absorbing some or all of the purified carbon dioxide-containing steel by-product gas of the carbon dioxide-containing by-product gas, and pressure swing adsorption (PSA). The concentration of the inert gas may be reduced by separating carbon dioxide using a carbon dioxide separator 27 using a method, a membrane method, and then mixing the carbon dioxide with a by-product gas.
한편, 아민, 암모니아 등을 흡수액으로 이용하는 흡수법으로 이산화탄소를 분리할 경우 흡수액의 재생을 위하여 열량이 필요하며 이러한 열량은 개질 반응장치(40)에서 발생하는 고온의 배가스로부터 적절한 열교환을 통해 공급받을 수 있다.On the other hand, when the carbon dioxide is separated by the absorption method using amine, ammonia, etc. as the absorbent liquid, heat is required for the regeneration of the absorbent liquid, and this heat amount can be supplied through an appropriate heat exchange from the hot exhaust gas generated in the reforming reactor 40. have.
정제된 상기 메탄 함유 제철 부생가스와 이산화탄소 함유 제철 부생가스를 혼합하여 혼합가스를 생성한 후 압축기를 이용하여 철광석 환원장치(50), 예를 들어 고로(blast furnace), 파이넥스 공정의 유동환원로 운전압력인 3~10Barg 까지 승압시킬 수 있다.After producing the mixed gas by mixing the purified methane-containing iron by-product gas and carbon dioxide-containing iron by-product gas, the iron ore reduction device 50, for example, a blast furnace, the flow reduction furnace operation of the Finex process using a compressor It can boost the pressure up to 3 ~ 10Barg.
상기 승압된 혼합가스를 히터 및 열교환기를 이용하여 아래에 기술한 개질 반응장치(40)에서의 반응온도인 600~1,000℃ 까지 승온시키게 된다. 이경우, 승온에 필요한 열량의 일부 혹은 전부는 개질 반응장치(40)에서 발생하는 고온의 배가스로부터 적절한 열교환을 통해 공급될 수 있다.The boosted mixed gas is heated to 600 to 1,000 ° C., which is a reaction temperature in the reforming reactor 40 described below using a heater and a heat exchanger. In this case, part or all of the heat amount required for the temperature increase may be supplied through a suitable heat exchange from the hot exhaust gas generated in the reforming reactor 40.
한편, 메탄 함유 제철 부생가스와 이산화탄소 함유 제철 부생가스의 혼합가스를 승압 및 승온을 한 후, 스팀 발생기를 통해 생성된 스팀(steam)을 일부 혼합할 수 있다. 스팀을 메탄과 이산화탄소가 혼합된 혼합가스에 섞게 되면 개질 반응장치(40) 내에서 탄소(carbon)이 촉매층에 침적되는 것을 완화시킬 수 있으며 개질 반응시 수소 발생량이 증가될 수 있다.On the other hand, after boosting and raising the temperature of the mixed gas of the methane-containing steel by-product gas and the carbon dioxide-containing iron by-product gas, it is possible to mix some of the steam generated by the steam generator. When steam is mixed with a mixed gas of methane and carbon dioxide, carbon may be deposited in the catalyst layer in the reforming reactor 40, and the amount of hydrogen generated during the reforming reaction may be increased.
스팀의 생산에 필요한 열량의 일부 혹은 전부는 개질 반응장치(40)에서 발생하는 고온의 배가스로부터 적절한 열교환을 통해 공급받을 수 있다.Some or all of the heat required for the production of steam may be supplied through appropriate heat exchange from the hot exhaust gas generated in the reforming reactor 40.
개질 반응장치(40)로 공급되는 메탄, 이산화탄소, 스팀의 몰 비율은 H2O/CO2의 경우 0 이상 5 이하가 바람직하며 (H20+CO2)/CH4의 경우, 0.1 이상 5 이하가 바람직하다.The molar ratio of methane, carbon dioxide, and steam supplied to the reforming reactor 40 is preferably 0 or more and 5 or less for H 2 O / CO 2 , and 0.1 or more and 5 for (H 2 0 + CO 2 ) / CH 4 . The following is preferable.
여기서, 스팀과 이산화탄소의 비율인 H2O/CO2 를 상기와 같이 한정한 것은 이산화탄소(CO2)의 재활용 측면에서 볼 때 스팀(H2O)을 공급하지않고 이산화탄소(CO2)만으로 메탄과 이산화탄소의 반응을 유도하는 것이 가장 유리하기 때문이다. 즉, H2O/CO2=0 으로 하는 것이 바람직하다.Here, as methane only is restricted as the ratio of H 2 O / CO 2 of the steam and carbon dioxide and the carbon dioxide (CO 2) steam without supplying (H 2 O) Carbon dioxide (CO 2) as viewed from the recycle side of the This is because it is most advantageous to induce the reaction of carbon dioxide. That is, it is preferable that the H 2 O / CO 2 = 0 .
그러나, CH4/CO2 만으로 반응을 유도하면 촉매층에 카본침적이 심하게 발생하여 반응기 운전에 악영향을 주게 되어 카본 침적을 방지하기위해 수분을 넣어주는 것이 유리하기 때문이다.However, inducing the reaction with only CH 4 / CO 2 is because carbon deposition in the catalyst layer is badly adversely affects the reactor operation, it is advantageous to add moisture to prevent carbon deposition.
또한, H2O/CO2 비율을 5이하까지 상승시키면 촉매층의 카본침적을 충분히 방지할 수 있으나 그 이상으로는 카본 침적의 방지 효과가 포화상태에 이르기 때문이다.In addition, if the H 2 O / CO 2 ratio is raised to 5 or less, it is possible to sufficiently prevent the carbon deposition of the catalyst layer, but more than that is because the effect of preventing the carbon deposition is saturated.
한편, (H2O+CO2)/CH4 비율과 관련하여, 일반적으로 메탄(CH4)과 반응하는 스팀(H2O), 이산화탄소(CO2)의 비율이 높을수록 메탄(CH4)의 전환율이 높아진다. 그러나, 스팀(H2O), 이산화탄소(CO2)의 비율이 메탄(CH4) 대비 과도하게 높으면　공정효율 및 운전비용이 과도하게 증가하게 되므로, (H2O+CO2)/CH4 비율은 0.1이상 5이하인 것이 바람직하다. On the other hand, (H 2 O + CO 2 ) / CH with respect to four rates, typically methane (CH 4) The higher the ratio of steam (H 2 O) to react, and carbon dioxide (CO 2) Methane (CH 4) Will increase the conversion rate. However, when the ratio of steam (H 2 O) and carbon dioxide (CO 2 ) is excessively high compared to methane (CH 4 ), the process efficiency and operation cost are excessively increased, so the ratio of (H 2 O + CO 2 ) / CH 4 Is preferably 0.1 or more and 5 or less.
개질 반응장치(40)에서의 주요 개질반응은 아래 식과 같다.The main reforming reaction in the reforming reactor 40 is as follows.
CH4 + CO2 → 2CO + 2H2 ···· (1)CH 4 + CO 2 → 2CO + 2H 2 (1)
CH4 + H2O → CO + 3H2 ···· (2)CH 4 + H 2 O → CO + 3H 2 (2)
제철소에서 발생되는 이산화탄소는 상기 반응식 (1)을 통해 일산화탄소로 재생되어 환원가스로 재활용 가능하므로 제철소 발생 이산화탄소을 대폭 저감시킬 수 있다.The carbon dioxide generated in the steel mill can be regenerated as carbon monoxide through the reaction formula (1) and recycled to the reducing gas, so that the carbon dioxide generated in the steel mill can be greatly reduced.
위 반응식 (1), (2)의 개질반응들은 흡열반응이므로 반응에 필요한 열량은 반응기 외부 자켓에서 연료의 연소에 의해 공급될 수 있다. 이때 발생하는 고온의 배가스는 반응기 외부로 배출되어 스팀 발생기, 혼합가스의 승온, 이산화탄소 분리에 필요한 열량으로 사용될 수 있다.Since the reforming reactions of Reactions (1) and (2) above are endothermic, the amount of heat required for the reaction can be supplied by combustion of fuel in the outer jacket of the reactor. At this time, the high-temperature exhaust gas is discharged to the outside of the reactor can be used as a steam generator, the temperature of the mixed gas, the amount of heat required for carbon dioxide separation.
상기 개질 반응장치(40)는 고정층(fixed bed) 또는 유동층 반응기가 사용될 수 있다. 고정층 반응기는 개질 촉매가 반응기 내부에 충진된 상태로 배치되어 있고, 유동층 반응기는 유동반응기 내부에서 촉매가 유동하면서 개질반응이 일어나게 된다.The reforming reactor 40 may be a fixed bed or a fluidized bed reactor. In the fixed bed reactor, the reforming catalyst is disposed in a state filled with the reactor, and in the fluidized bed reactor, the reforming reaction occurs while the catalyst flows inside the flow reactor.
상기 개질 반응장치내 촉매는 백금, 니켈 계열의 소재가 사용될 수있다. As the catalyst in the reforming reactor, platinum or nickel-based materials may be used.
개질 반응장치(40)에서 생산된 개질 환원가스는 압력 3~10Barg, 온도 600~1,000℃를 유지하고 있어 추가적인 장치없이 고로 및 유동환원로의 환원가스로 사용이 가능하다. The reformed reducing gas produced in the reforming reactor 40 maintains a pressure of 3 to 10 barg and a temperature of 600 to 1,000 ° C., and thus can be used as a reducing gas of the blast furnace and the fluid reduction reactor without additional equipment.
수소 제조장치(80)는, 상기 일산화탄소 함유 환원가스의 수소 함량을 증폭시키기 위한 수성가스 시프트 반응기(83), 및 상기 수소가 증폭된 일산화탄소 함유 환원가스로부터 수소를 분리하기 위한 수소 분리장치(85)를 더 포함할 수 있다.The hydrogen production apparatus 80 includes a water gas shift reactor 83 for amplifying the hydrogen content of the carbon monoxide-containing reducing gas, and a hydrogen separation device 85 for separating hydrogen from the hydrogen-amplified carbon monoxide-containing reducing gas. It may further include.
보다 상세하게, 개질된 환원가스의 일부는 열회수장치(81)를 통해 200~450℃까지 냉각 후 수성가스 시프트 반응기(83)(WGSR; Water Gas Shift Reactor)를 이용하여 환원가스내 수소의 함량을 증폭시킨 후 압력순환흡착(PSA)법 또는 멤브레인법 등을 이용한 수소 분리장치(85)를 통해 수소를 분리시킬 수 있다.In more detail, a part of the reformed reducing gas is cooled to 200-450 ° C. through a heat recovery device 81, and then the content of hydrogen in the reducing gas is reduced by using a water gas shift reactor (WGSR). After amplification, hydrogen may be separated through a hydrogen separation device 85 using a pressure swing adsorption (PSA) method or a membrane method.
상기 스팀 발생기에서 생산된 스팀은 수성가스 시프트 반응기(83)에 공급되어 수소량을 증폭시킬 수 있다.The steam produced by the steam generator may be supplied to the water gas shift reactor 83 to amplify the amount of hydrogen.
수성가스 시프트 반응기(83)에서는 아래 반응식 (3)과 같이 환원가스 내의 일산화 탄소가 스팀과 반응하여 수소와 이산화탄소를 생성하게 된다.In the water gas shift reactor 83, carbon monoxide in the reducing gas reacts with steam to generate hydrogen and carbon dioxide as shown in Equation (3) below.
CO + H2O → H2 + CO2 ···· (3)CO + H 2 O → H 2 + CO 2 ...
분리된 수소가스는 외부 수소시장에 공급하거나 개질된 환원가스와 혼합하여 환원가스 내의 수소의 함량을 증대시킬 수 있다.The separated hydrogen gas may be supplied to the external hydrogen market or mixed with the reformed reducing gas to increase the content of hydrogen in the reducing gas.
수소가 다량으로 함유된 환원가스를 고로 또는 파이넥스 공정의 유동환원로에 사용할 경우 수소에 의한 철광석 환원속도 개선으로 용철 및 환원철 생산 속도를 향상시킬 수 있다. When a reducing gas containing a large amount of hydrogen is used in a blast furnace or a flow reduction reactor of the Finex process, the production rate of molten iron and reduced iron can be improved by improving the iron ore reduction rate by hydrogen.
이때, 수소 분리장치(85)에서 발생하는 이산화탄소 함유 배가스는 이산화탄소 함유 제철 부생가스와 혼합되어 개질 환원가스를 생성하는 데 사용될 수 있다.At this time, the carbon dioxide-containing flue gas generated in the hydrogen separation device 85 may be mixed with carbon dioxide-containing steel by-product gas to generate a reformed reducing gas.
도 2는 본원발명에 의한 제철 공정가스를 이용한 일산화탄소 및 수소를 포함하는 합성가스의 제조공정도이다.2 is a manufacturing process diagram of a synthesis gas including carbon monoxide and hydrogen using a steelmaking process gas according to the present invention.
본 발명의 바람직한 일 실시예에 의한 제철 공정가스를 이용한 일산화탄소 및 수소를 포함하는 합성가스 제조방법은 메탄 함유 제철 부생가스 예비처리하는 단계, 이산화탄소 함유 제철 부생가스 예비처리하는 단계, 예비처리된 상기 메탄 함유 제철 부생가스와 이산화탄소 함유 제철 부생가스를 혼합하여 혼합가스를 생성한 후 일정압력으로 승압하는 단계, 상기 승압된 혼합가스를 일정온도로 승온하는 단계, 상기 승온된 혼합가스를 개질 반응장치(40)에 공급하여 일산화탄소 및 수소를 포함하는 가스로 개질시키는 단계를 포함한다. Synthetic gas production method comprising carbon monoxide and hydrogen using a steelmaking process gas according to an embodiment of the present invention is a step of pre-treatment of methane-containing steel by-product gas, pre-treatment of carbon dioxide-containing iron by-product gas, pre-treated methane Generating a mixed gas by mixing the containing iron by-product gas and the carbon dioxide-containing iron by-product gas, and then raising the pressure to a predetermined pressure, raising the temperature of the boosted mixed gas to a predetermined temperature, and reforming the elevated mixed gas to a reactor (40). And reforming the gas into a gas containing carbon monoxide and hydrogen.
상기 메탄 함유 제철 부생가스 예비처리하는 단계는, 메탄 함유 제철 부생가스를 정제하는 단계; 및 상기 정제된 메탄 함유 제철 부생가스에 액화천연가스(LNG)를 혼합하는 단계를 포함하는 일산화탄소 및 수소를 포함한다.The preliminary treatment of the methane-containing steel by-product gas may include: purifying the methane-containing steel by-product gas; And carbon monoxide and hydrogen including mixing liquefied natural gas (LNG) with the purified methane-containing steel by-product gas.
이 경우, 상기 메탄 함유 제철 부생가스는 COG(COKE OVEN GAS)인 것을 특징으로 한다.In this case, the methane-containing steel by-product gas is characterized in that the COG (COKE OVEN GAS).
상기 이산화탄소 함유 제철 부생가스 예비처리하는 단계는, 이산화탄소 함유 제철 부생가스를 정제하는 단계; 및 상기 정제된 이산화탄소 함유 제철 부생가스의 일부 또는 전부로부터 이산화탄소를 분리하는 단계를 포함한다.The pre-treatment of the carbon dioxide-containing steel by-product gas is a step of purifying the carbon dioxide-containing steel by-product gas; And separating carbon dioxide from some or all of the purified carbon dioxide-containing steel by-product gas.
상기 이산화탄소 함유 제철 부생가스는 고로 배가스, 파이넥스 공정의 유동환원로 배가스, 제철소 발전설비의 배가스 및 철강제품 생산을 위한 가열로 배가스 및 코크 오븐 가열로 배가스 중에서 선택된 적어도 하나인 것을 특징으로 한다.The carbon dioxide-containing steel by-product gas is characterized in that at least one selected from blast furnace flue gas, the flow reduction furnace flue gas of the Finex process, flue gas of steelworks power generation equipment and a furnace flue gas and coke oven heating furnace flue gas for steel product production.
상기 이산화탄소 함유 제철 부생가스는 상기 개질 반응장치에세 배출되는 배가스를 더 포함한다.The carbon dioxide-containing steel by-product gas further includes a flue gas discharged to the reforming reactor.
상기 일산화탄소 및 수소를 포함하는 합성가스 제조방법은 상기 승온된 혼합가스에 스팀을 공급하는 단계를 더 포함한다.Synthesis gas production method comprising the carbon monoxide and hydrogen further comprises the step of supplying steam to the heated mixture gas.
또한, 상기 일산화탄소 및 수소를 포함하는 합성가스 제조방법은 개질된 상기 일산화탄소 함유 환원가스의 일부 또는 전부로부터 수소를 제조하는 단계를 더 포함한다.In addition, the syngas production method comprising the carbon monoxide and hydrogen further comprises the step of producing hydrogen from some or all of the reformed carbon monoxide-containing reducing gas.
상기 수소의 제조는 상기 일산화탄소 함유 환원가스를 냉각시키는 단계; 상기 냉각된 일산화탄소 함유 환원가스를 수성가스 시트프 변환하는 단계; 및 상기 수성가스 시트프 변환된 환원가스로부터 수소를 분리하는 단계를 포함한다.The production of hydrogen may include cooling the carbon monoxide-containing reducing gas; Converting the cooled carbon monoxide-containing reducing gas into a water gas sheet; And separating hydrogen from the water gas sheet converted reducing gas.
상기 일산화탄소 및 수소를 포함하는 합성가스(syngas)는 철광석 환원을 위한 환원가스 또는 디메틸에테르(DME)의 제조에 사용될 수 있다.Syngas comprising carbon monoxide and hydrogen may be used for the production of reducing gas or dimethyl ether (DME) for iron ore reduction.
도 3은 본원발명의 일 실시예에 의한 제철 공정가스를 이용한 일산화탄소 및 수소를 포함하는 합성가스를 이용하여 철광석을 환원하는 철광석 환원시스템을 도시한 도면이다.3 is a view showing an iron ore reduction system for reducing iron ore using a synthesis gas containing carbon monoxide and hydrogen using a steelmaking process gas according to an embodiment of the present invention.
본 발명의 일 실시예에 의한 철광석 환원방법은 상기 합성가스 제조방법에 의해 제조된 일산화탄소 및 수소를 포함하는 합성가스를 철광석 환원장치에 공급하여 철광석을 환원시킬 수 있다.Iron ore reduction method according to an embodiment of the present invention can reduce the iron ore by supplying a synthesis gas containing carbon monoxide and hydrogen produced by the synthesis gas production method to the iron ore reduction device.
또한, 상기 철광석 환원장치는 고로 또는 파이넥스 공정의 유동환원로인 것을 특징으로 한다. In addition, the iron ore reduction device is characterized in that the blast furnace or the flow reduction furnace of the Finex process.
이상 첨부된 도면을 참조하여 본 발명의 실시예를 설명하였지만, 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자는 본 발명이 그 기술적 사상이나 필수적인 특징을 변경하지 않고서 다른 구체적인 형태로 실시될 수 있다는 것을 이해할 수 있을 것이다.Although embodiments of the present invention have been described above with reference to the accompanying drawings, those skilled in the art to which the present invention pertains may implement the present invention in other specific forms without changing the technical spirit or essential features thereof. I can understand that.
그러므로 이상에서 기술한 실시예들은 모든 면에서 예시적인 것이며 한정적이 아닌 것으로 이해해야만 한다. 본 발명의 범위는 상기 상세한 설명보다는 후술하는 특허청구범위에 의하여 나타내어지며, 특허청구범위의 의미 및 범위 그리고 그 균등 개념으로부터 도출되는 모든 변경 또는 변경된 형태가 본 발명의 범위에 포함되는 것으로 해석되어야 한다.Therefore, it should be understood that the embodiments described above are exemplary in all respects and not restrictive. The scope of the present invention is shown by the following claims rather than the detailed description, and all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included in the scope of the present invention. .

Claims (35)

  1. 메탄 함유 제철 부생가스의 제1 예비처리장치;A first pretreatment apparatus of methane-containing steel by-product gas;
    상기 제1 예비처리장치와 이격되어 배치된 이산화탄소 함유 제철 부생가스의 제2 예비처리장치;A second pretreatment apparatus of carbon dioxide-containing steel by-product gas disposed to be spaced apart from the first pretreatment apparatus;
    상기 제1 예비처리장치에 의해 처리된 메탄 함유 제철 부생가스와 상기 제2 예비처리장치에 의해 처리된 이산화탄소 함유 제철 부생가스를 혼합시킨 혼합가스에 스팀을 공급하는 스팀 발생장치; 및A steam generator for supplying steam to a mixed gas of the methane-containing iron by-product gas treated by the first pretreatment apparatus and the carbon dioxide-containing iron by-product gas treated by the second pretreatment apparatus; And
    상기 스팀이 공급된 혼합가스를 공급받아 개질시켜 일산화탄소 및수소를 포함하는 가스로 변환시키는 개질 반응장치를 A reforming reaction apparatus for converting the mixed gas supplied with the steam is converted to a gas containing carbon monoxide and hydrogen to reform
    포함하는 일산화탄소 및 수소를 포함하는 합성가스 제조장치.Synthesis gas production apparatus comprising carbon monoxide and hydrogen containing.
  2. 제 1 항에 있어서,The method of claim 1,
    상기 메탄 함유 제철 부생가스는 COG(COKE OVEN GAS)인 것을 특징으로 하는 일산화탄소 및 수소를 포함하는 합성가스 제조장치.The methane-containing steel by-product gas production unit comprising a carbon monoxide and hydrogen, characterized in that COG (COKE OVEN GAS).
  3. 제 1 항에 있어서,The method of claim 1,
    상기 이산화탄소 함유 제철 부생가스는 고로 배가스, 파이넥스 공정의 유동환원로 배가스, 제철소 발전설비의 배가스, 철강제품 생산을 위한 가열로 배가스 및 코크 오븐 가열로 배가스 중에서 선택된 적어도 하나인 것을 특징으로 하는 일산화탄소 및 수소를 포함하는 합성가스 제조장치.The carbon dioxide-containing steel by-product gas is at least one selected from blast furnace flue gas, the flow reduction furnace flue gas of the Finex process, flue gas of the ironworks power plant, heating furnace flue gas and coke oven heating furnace flue gas for the production of steel products. Syngas production apparatus comprising a.
  4. 제 3 항에 있어서,The method of claim 3, wherein
    상기 이산화탄소 함유 제철 부생가스는 상기 개질 반응장치에서 배출되는 배가스를 더 포함하는 것을 특징으로 하는 일산화탄소 및 수소를 포함하는 합성가스 제조장치.The carbon dioxide-containing steel by-product gas is a synthesis gas production apparatus comprising carbon monoxide and hydrogen, characterized in that it further comprises an exhaust gas discharged from the reforming reactor.
  5. 제 1 항에 있어서,The method of claim 1,
    상기 스팀 발생장치는 상기 개질 반응장치에서 배출되는 배가스로부터 열원을 공급받는 것을 특징으로 하는 일산화탄소 및 수소를 포함하는 합성가스 제조장치.The steam generator is a synthesis gas production apparatus comprising carbon monoxide and hydrogen characterized in that the heat source is supplied from the exhaust gas discharged from the reforming reactor.
  6. 제 1 항에 있어서, The method of claim 1,
    상기 제1 예비처리장치는, The first pretreatment apparatus,
    상기 메탄 함유 제철 부생가스를 저장하기 위한 제1 저장챔버; 및A first storage chamber for storing the methane-containing steel by-product gas; And
    상기 제1 저장챔버로부터 배출된 메탄 함유 제철 부생가스 정제설비를 포함하는 일산화탄소 및 수소를 포함하는 합성가스 제조장치.Synthesis gas production apparatus comprising carbon monoxide and hydrogen comprising a methane-containing steel by-product by-product purification facility discharged from the first storage chamber.
  7. 제 6 항에 있어서, The method of claim 6,
    상기 제1 예비처리장치는,The first pretreatment apparatus,
    상기 제1 저장챔버에서 배출된 메탄 함유 제철 부생가스에 메탄을추가적으로 공급하기 위한 액화천연가스(LNG) 취입 도관; 및LNG injection conduit for additionally supplying methane to the methane-containing steel by-product gas discharged from the first storage chamber; And
    상기 액화천연가스로부터 황을 제거하기 위한 탈황설비를 더 포함하는 일산화탄소 및 수소를 포함하는 합성가스 제조장치.Synthesis gas production apparatus comprising carbon monoxide and hydrogen further comprising a desulfurization facility for removing sulfur from the liquefied natural gas.
  8. 제 1 항에 있어서, The method of claim 1,
    상기 제2 예비처리장치는,The second pretreatment apparatus,
    상기 이산화탄소 함유 제철 부생가스를 저장하기 위한 제2 저장챔버;A second storage chamber for storing the carbon dioxide-containing steel by-product gas;
    상기 제2 저장챔버에서 배출된 이산화탄소 함유 제철 부생가스 정제설비를 포함하는 일산화탄소 및 수소를 포함하는 합성가스 제조장치.Synthesis gas production apparatus comprising carbon monoxide and hydrogen, including a carbon dioxide-containing steel by-product by-product purification facility discharged from the second storage chamber.
  9. 제 8 항에 있어서,The method of claim 8,
    상기 제2 예비처리장치는,The second pretreatment apparatus,
    정제된 상기 이산화탄소 함유 제철 부생가스의 일부 또는 전부로부터 이산화탄소를 분리하기 위한 이산화탄소 분리장치를 더 포함하는 일산화탄소 및 수소를 포함하는 합성가스 제조장치.Apparatus for producing syngas comprising carbon monoxide and hydrogen further comprising a carbon dioxide separator for separating carbon dioxide from some or all of the purified carbon dioxide-containing steel by-product gas.
  10. 제 9 항에 있어서,The method of claim 9,
    상기 이산화탄소 분리장치는 상기 개질 반응장치에서 배출되는 배가스로부터 열원을 공급받는 것을 특징으로 하는 일산화탄소 및 수소를 포함하는 합성가스 제조장치.The carbon dioxide separation unit is a synthesis gas production apparatus comprising carbon monoxide and hydrogen, characterized in that for receiving a heat source from the exhaust gas discharged from the reforming reactor.
  11. 제 1 항에 있어서,The method of claim 1,
    상기 메탄 함유 제철 부생가스와 이산화탄소 함유 제철 부생가스가 혼합된 혼합가스를 상기 철광석 환원장치의 조업압력으로 승압하기 위한 승압장치를 더 포함하는 일산화탄소 및 수소를 포함하는 합성가스 제조장치. And a booster for boosting the mixed gas of the methane-containing steel by-product gas and the carbon dioxide-containing steel by-product gas to the operating pressure of the iron ore reduction device.
  12. 제 11 항에 있어서,The method of claim 11,
    상기 승압된 혼합가스를 상기 개질 반응장치 내의 반응온도에 적합하도록 승온시키기 위한 승온장치를 더 포함하는 일산화탄소 및 수소를 포함하는 합성가스 제조장치. Synthesis gas production apparatus comprising a carbon monoxide and hydrogen further comprising a temperature raising device for raising the temperature of the boosted mixed gas to suit the reaction temperature in the reforming reactor.
  13. 제 12 항에 있어서,The method of claim 12,
    상기 승온장치는 상기 개질 반응장치에서 배출되는 배가스로부터 열원을 공급받는 것을 특징으로 하는 일산화탄소 및 수소를 포함하는 합성가스 제조장치.The temperature raising device is a synthesis gas production apparatus comprising carbon monoxide and hydrogen, characterized in that for receiving a heat source from the exhaust gas discharged from the reforming reactor.
  14. 제 1 항에 있어서,The method of claim 1,
    상기 개질 반응장치에서 혼합가스를 개질시켜 제조된 일산화탄소 함유 환원가스의 일부 또는 전부로부터 수소를 제조하기 위한 수소 제조장치를 더 포함하는 일산화탄소 및 수소를 포함하는 합성가스 제조장치.Synthesis gas production apparatus comprising carbon monoxide and hydrogen further comprising a hydrogen production apparatus for producing hydrogen from a portion or all of the carbon monoxide-containing reducing gas produced by reforming the mixed gas in the reforming reactor.
  15. 제 14 항에 있어서,The method of claim 14,
    상기 수소 제조장치는,The hydrogen production apparatus,
    상기 일산화탄소 함유 환원가스의 수소 함량을 증폭시키기 위한 수성가스 시프트 반응기; 및A water gas shift reactor for amplifying the hydrogen content of the carbon monoxide-containing reducing gas; And
    상기 수소가 증폭된 일산화탄소 함유 환원가스로부터 수소를 분리하기 위한 수소 분리장치를 더 포함하는 일산화탄소 및 수소를 포함하는 합성가스 제조장치.Synthesis gas production apparatus comprising carbon monoxide and hydrogen further comprising a hydrogen separation device for separating the hydrogen from the hydrogen-amplified carbon monoxide-containing reducing gas.
  16. 제 15 항에 있어서,The method of claim 15,
    상기 수소 제조장치는,The hydrogen production apparatus,
    개질된 상기 일산화탄소 함유 환원가스를 냉각시키기 위한 열회수장치를 더 포함하는 일산화탄소 및 수소를 포함하는 합성가스 제조장치.Synthesis gas production apparatus comprising carbon monoxide and hydrogen further comprising a heat recovery device for cooling the reformed carbon monoxide-containing reducing gas.
  17. 제 15 항에 있어서,The method of claim 15,
    상기 수성가스 시프트 반응기는 상기 스팀 발생장치로부터 스팀을공급받는 것을 특징으로 하는 일산화탄소 및 수소를 포함하는 합성가스 제조장치.The water gas shift reactor is a synthesis gas production apparatus comprising carbon monoxide and hydrogen, characterized in that the steam is supplied from the steam generator.
  18. 제 15 항에 있어서,The method of claim 15,
    상기 수소 분리장치에 의해 분리된 수소의 일부는 상기 개질 반응장치에 의해 개질된 일산화탄소 함유 환원가스와 혼합되어 상기 철광석 환원장치에 공급되는 것을 특징으로 하는 일산화탄소 및 수소를 포함하는 합성가스 제조장치.Part of the hydrogen separated by the hydrogen separation device is a synthesis gas production apparatus comprising carbon monoxide and hydrogen, characterized in that the mixed with the carbon monoxide-containing reducing gas reformed by the reforming reactor is supplied to the iron ore reduction device.
  19. 제 15 항에 있어서,The method of claim 15,
    상기 수소 분리장치에 의해 분리된 수소의 일부는 철광석 환원을 위한 용도 이외에 사용되기 위해 외부로 배출되는 것을 특징으로 하는 일산화탄소 및 수소를 포함하는 합성가스 제조장치.Part of the hydrogen separated by the hydrogen separation device is a synthesis gas production apparatus comprising carbon monoxide and hydrogen, characterized in that discharged to the outside for use in addition to the use for iron ore reduction.
  20. 제 15 항에 있어서,The method of claim 15,
    상기 수소 분리장치에서 배출된 이산화탄소 함유 배가스는 상기 이산화탄소 함유 제철 부생가스와 혼합되는 것을 특징으로 하는 일산화탄소 및 수소를 포함하는 합성가스 제조장치.The carbon dioxide-containing exhaust gas discharged from the hydrogen separation device is a synthesis gas production apparatus comprising carbon monoxide and hydrogen, characterized in that mixed with the carbon dioxide-containing steel by-product gas.
  21. 제 1 항 내지 제 20 항 중 어느 한 항에 있어서,The method according to any one of claims 1 to 20,
    상기 개질 반응장치에 공급되는 상기 혼합가스 중의 메탄, 이산화탄소, 스팀의 몰비율은 아래의 식 (1), (2)를 만족시키는 일산화탄소 및 수소를 포함하는 합성가스 제조장치.The molar ratio of methane, carbon dioxide, steam in the mixed gas supplied to the reforming reactor comprises a carbon monoxide and hydrogen satisfying the following formula (1), (2).
    0 ≤ H2O/CO2 ≤ 5 ···· (1)0 ≤ H 2 O / CO 2 ≤ 5 (1)
    0.1 ≤ (H20+CO2)/CH4 ≤ 5 ···· (2)0.1 ≤ (H 2 0 + CO 2 ) / CH 4 ≤ 5 (2)
  22. 제 1 항 내지 제 21항에 의한 합성가스 제조장치에 의해 제조된 일산화탄소 및 수소를 포함하는 합성가스를 철광석 환원장치에 공급하여 철광석을 환원시키는 철광석 환원시스템.An iron ore reduction system for reducing iron ore by supplying a synthesis gas containing carbon monoxide and hydrogen produced by the syngas production apparatus according to claim 1 to an iron ore reduction device.
  23. 제 22 항에 있어서,The method of claim 22,
    상기 철광석 환원장치는 고로(blast furnace) 또는 파이넥스 공정의 유동환원로인 것을 특징으로 하는 철광석 환원시스템.The iron ore reduction device is an iron ore reduction system, characterized in that the blast furnace (Fine furnace) or the flow reduction furnace of the Finex process.
  24. 메탄 함유 제철 부생가스 예비처리하는 단계;Pretreatment of methane-containing steel by-product gas;
    이산화탄소 함유 제철 부생가스 예비처리하는 단계;Pretreatment of carbon dioxide-containing seasonal by-product gas;
    예비처리된 상기 메탄 함유 제철 부생가스와 이산화탄소 함유 제철 부생가스를 혼합하여 혼합가스를 생성한 후 일정압력으로 승압하는 단계;Mixing the pre-treated methane-containing steel by-product gas and carbon dioxide-containing steel by-product gas to generate a mixed gas and then boosting the pressure to a predetermined pressure;
    상기 승압된 혼합가스를 일정온도로 승온하는 단계; 및Heating the boosted mixed gas to a predetermined temperature; And
    상기 승온된 혼합가스를 개질 반응장치에 공급하여 일산화탄소 함유 환원가스로 개질시키는 단계를Supplying the heated mixed gas to a reforming reactor to reform the mixture gas into a carbon monoxide-containing reducing gas;
    포함하는 일산화탄소 및 수소를 포함하는 합성가스 제조방법.Synthesis gas production method comprising carbon monoxide and hydrogen containing.
  25. 제 24 항에 있어서,The method of claim 24,
    상기 메탄 함유 제철 부생가스 예비처리하는 단계는,The pre-treatment of the methane-containing steel by-product gas,
    메탄 함유 제철 부생가스를 정제하는 단계; 및Purifying methane-containing seasonal by-product gas; And
    상기 정제된 메탄 함유 제철 부생가스에 액화천연가스(LNG)를 혼합하는 단계를 포함하는 일산화탄소 및 수소를 포함하는 합성가스 제조방법.Method of producing a synthesis gas comprising carbon monoxide and hydrogen comprising the step of mixing liquefied natural gas (LNG) to the purified methane-containing steel by-product gas.
  26. 제 25 항에 있어서,The method of claim 25,
    상기 메탄 함유 제철 부생가스는 COG(COKE OVEN GAS)인 것을 특징으로 하는 일산화탄소 및 수소를 포함하는 합성가스 제조방법.The methane-containing steel by-product gas production method comprising a carbon monoxide and hydrogen, characterized in that COG (COKE OVEN GAS).
  27. 제 24 항에 있어서,The method of claim 24,
    상기 이산화탄소 함유 제철 부생가스 예비처리하는 단계는,The pre-treatment of the carbon dioxide-containing steel by-product gas,
    이산화탄소 함유 제철 부생가스를 정제하는 단계; 및Purifying carbon dioxide-containing seasonal by-product gas; And
    상기 정제된 이산화탄소 함유 제철 부생가스의 일부 또는 전부로부터 이산화탄소를 분리하는 단계를 포함하는 일산화탄소 및 수소를 포함하는 합성가스 제조방법.Method of producing a synthesis gas comprising carbon monoxide and hydrogen comprising the step of separating the carbon dioxide from the part or all of the purified carbon dioxide-containing steel by-product gas.
  28. 제 27 항에 있어서,The method of claim 27,
    상기 이산화탄소 함유 제철 부생가스는 고로 배가스, 파이넥스 공정의 유동환원로 배가스, 제철소 발전설비의 배가스 및 철강제품 생산을 위한 가열로 배가스 및 코크 오븐 가열로 배가스 중에서 선택된 적어도 하나인 것을 특징으로 하는 일산화탄소 및 수소를 포함하는 합성가스 제조방법. The carbon dioxide-containing steel by-product gas is at least one selected from blast furnace flue gas, a flow reduction furnace flue gas of the Finex process, flue gas of steelworks power generation equipment and heating furnace flue gas and coke oven heating furnace flue gas for the production of steel products. Syngas production method comprising a.
  29. 제 28 항에 있어서,The method of claim 28,
    상기 이산화탄소 함유 제철 부생가스는 상기 개질 반응장치에세 배출되는 배가스를 더 포함하는 것을 특징으로 하는 일산화탄소 및 수소를 포함하는 합성가스 제조방법.The carbon dioxide-containing steel by-product gas production method comprising a carbon monoxide and hydrogen characterized in that it further comprises an exhaust gas discharged to the reforming reactor.
  30. 제 24 항에 있어서,The method of claim 24,
    상기 승온된 혼합가스에 스팀을 공급하는 단계를 더 포함하는 일산화탄소 및 수소를 포함하는 합성가스 제조방법.Synthetic gas production method comprising a carbon monoxide and hydrogen further comprising the step of supplying steam to the heated mixture gas.
  31. 제 24 항에 있어서,The method of claim 24,
    개질된 상기 일산화탄소 함유 환원가스의 일부 또는 전부로부터 수소를 제조하는 단계를 더 포함하는 일산화탄소 및 수소를 포함하는 합성가스 제조방법.A method for producing a synthesis gas comprising carbon monoxide and hydrogen further comprising the step of producing hydrogen from some or all of the reformed carbon monoxide-containing reducing gas.
  32. 제 31 항에 있어서,The method of claim 31, wherein
    상기 수소의 제조는 상기 일산화탄소 함유 환원가스를 냉각시키는 단계;The production of hydrogen may include cooling the carbon monoxide-containing reducing gas;
    상기 냉각된 일산화탄소 함유 환원가스를 수성가스 시트프 변환하는 단계; 및Converting the cooled carbon monoxide-containing reducing gas into a water gas sheet; And
    상기 수성가스 시트프 변환된 환원가스로부터 수소를 분리하는 단계를 포함하는 일산화탄소 및 수소를 포함하는 합성가스 제조방법.Method of producing a synthesis gas comprising carbon monoxide and hydrogen comprising the step of separating the hydrogen from the water gas sheet converted reduced gas.
  33. 제 24 항 내지 제 32 항 중 어느 한 항에 있어서,The method according to any one of claims 24 to 32,
    상기 개질 반응장치에 공급되는 상기 혼합가스 중의 메탄, 이산화탄소, 스팀의 몰비율은 아래의 식 (1), (2)를 만족시키는 일산화탄소 및 수소를 포함하는 합성가스 제조방법.The molar ratio of methane, carbon dioxide, steam in the mixed gas supplied to the reforming reactor comprises a carbon monoxide and hydrogen satisfying the following formula (1), (2).
    0 ≤ H2O/CO2 ≤ 5 ···· (1)0 ≤ H 2 O / CO 2 ≤ 5 (1)
    0.1 ≤ (H20+CO2)/CH4 ≤ 5 ···· (2)0.1 ≤ (H 2 0 + CO 2 ) / CH 4 ≤ 5 (2)
  34. 제 24 항 내지 제 33 항에 의한 합성가스 제조방법에 의해 제조된 일산화탄소 및 수소를 포함하는 합성가스를 철광석 환원장치에 공급하여 철광석을 환원시키는 철광석 환원방법.An iron ore reduction method for reducing iron ore by supplying a synthesis gas containing carbon monoxide and hydrogen produced by the synthesis gas production method according to claim 24 to 33 to the iron ore reduction apparatus.
  35. 제 34 항에 있어서,The method of claim 34, wherein
    상기 철광석 환원장치는 고로 또는 파이넥스 공정의 유동환원로인 것을 특징으로 하는 철광석 환원방법.The iron ore reduction apparatus is an iron ore reduction method, characterized in that the flow reducing furnace of the blast furnace or Finex process.
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104807955A (en) * 2014-01-24 2015-07-29 上海华林工业气体有限公司 Method for increasing hydrogen analysis detection rate of hydrogen and carbon monoxide production apparatus
CN113502361A (en) * 2021-07-07 2021-10-15 山西晋南钢铁集团有限公司 Self-reforming system and method of hydrogen for blast furnace iron making
CN114302970A (en) * 2020-08-04 2022-04-08 积水化学工业株式会社 Gas production device, gas production system, iron-making system, chemical production system, and gas production method

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102117403B1 (en) * 2013-07-03 2020-06-02 재단법인 포항산업과학연구원 Method of Coke Dry Quenching by using Coke Oven Gas and Recycle Method of Syngas
CN104058368B (en) * 2014-06-10 2015-09-23 中国五环工程有限公司 A kind of hydrocarbonaceous tail gas reforming process and system
KR101626602B1 (en) * 2014-12-05 2016-06-01 주식회사 포스코 Method for compacting fine reduced irons, apparatus for compacting fine reduced irons, and apparatus for manufacturing molten iron comprising the same
KR101758521B1 (en) * 2015-12-23 2017-07-17 주식회사 포스코 Apparatus and Method of Recycling and Decomposition of Carbon Dioxide via Accumulated Energy of Hot Stove
CN106276795A (en) * 2016-08-03 2017-01-04 西南化工研究设计院有限公司 A kind of group technology utilizing coke-stove gas extraction metallurgy reducing gases
WO2018187213A1 (en) * 2017-04-03 2018-10-11 Qatar Foundation For Education, Science And Community Development System and method for carbon and syngas production
KR101974562B1 (en) * 2017-06-22 2019-05-02 주식회사 포스코 Method for treating byproduct
KR102072506B1 (en) * 2017-12-20 2020-02-03 재단법인 포항산업과학연구원 The catalyst for direct synthesis of hydrocarbon and alcohol from syngas, the method of the same and the direct synthesis method of hydrocarbon and alcohol from syngas by using the same
KR102644556B1 (en) * 2018-12-04 2024-03-07 현대자동차주식회사 Method And System For Producing Hydrogen Using Waste Gas
KR102308018B1 (en) * 2019-11-14 2021-09-30 주식회사 포스코 Device for manufacturing cabon dust
JP7028373B1 (en) * 2020-04-27 2022-03-02 Ｊｆｅスチール株式会社 Ironmaking equipment and method of manufacturing reduced iron
KR102421634B1 (en) * 2020-08-27 2022-07-15 고등기술연구원연구조합 Co-electrolysis system using waste heat
CN113582214B (en) * 2021-09-06 2022-02-18 上海源晗能源技术有限公司 Green low-carbon closed-loop metallurgy and carbon dioxide capture and utilization process

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004225117A (en) * 2003-01-23 2004-08-12 Jfe Steel Kk Method for utilizing by-produced gas in iron works
KR20100107763A (en) * 2009-03-26 2010-10-06 현대제철 주식회사 Preparation method and preparation apparatus of syngas containing hydrogen and carbon monoxide
KR20110075067A (en) * 2009-12-28 2011-07-06 주식회사 포스코 Apparatus for manufacturing molten irons
KR20110084772A (en) * 2010-01-18 2011-07-26 주식회사 포스코 Apparatus for manufacturing molten irons that is capable of reducing carbon dioxide emissions

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK169615B1 (en) * 1992-12-10 1994-12-27 Topsoe Haldor As Process for producing carbon monoxide-rich gas
JP2004309067A (en) 2003-04-09 2004-11-04 Nippon Steel Corp Method of using blast furnace gas
KR101050799B1 (en) * 2008-12-30 2011-07-20 주식회사 포스코 Molten iron manufacturing equipment

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004225117A (en) * 2003-01-23 2004-08-12 Jfe Steel Kk Method for utilizing by-produced gas in iron works
KR20100107763A (en) * 2009-03-26 2010-10-06 현대제철 주식회사 Preparation method and preparation apparatus of syngas containing hydrogen and carbon monoxide
KR20110075067A (en) * 2009-12-28 2011-07-06 주식회사 포스코 Apparatus for manufacturing molten irons
KR20110084772A (en) * 2010-01-18 2011-07-26 주식회사 포스코 Apparatus for manufacturing molten irons that is capable of reducing carbon dioxide emissions

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104807955A (en) * 2014-01-24 2015-07-29 上海华林工业气体有限公司 Method for increasing hydrogen analysis detection rate of hydrogen and carbon monoxide production apparatus
CN104807955B (en) * 2014-01-24 2017-01-04 上海华林工业气体有限公司 Improve and produce the method that the hydrogen of hydrogen and carbon monoxide device analyzes detection rates
CN114302970A (en) * 2020-08-04 2022-04-08 积水化学工业株式会社 Gas production device, gas production system, iron-making system, chemical production system, and gas production method
CN113502361A (en) * 2021-07-07 2021-10-15 山西晋南钢铁集团有限公司 Self-reforming system and method of hydrogen for blast furnace iron making

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